The AC Adapter for Sennheiser WW120300-1DN / NT-21-120 is a high-quality replacement power supply designed to deliver reliable and efficient performance for your compatible Sennheiser devices. Engineered for both home and professional use, this adapter supports an input voltage range of 100–240V AC at 50/60Hz, making it suitable for use worldwide. It offers stable power output with built-in safety features such as over-voltage, over-current, over-temperature, and short-circuit protection to ensure both your equipment and the adapter remain safe during operation. The unit is thoroughly tested for quality and performance, making it a dependable solution for replacing a lost or damaged charger.